GLUCOSE EFFECTS ON MEMORY
NEUROPSYCHOLOGICAL TESTS IN ELDERLY HUMANSThe purpose of this kind of test was to find out if the level of glucose had any kind of effect on the memory. Another goal of this experiment was to determine whether glucose affects memory on other tests as well, and whether the glucose effects are restricted to memory or whether they include effects on overall cognitive, attention and motor functions. The test was done on the subjects, 17 volunteers between the ages of 62-84. The subjects took the test in the morning after a 9 hours fasting. Their blood glucose was measured at the beginning of the test, then
the subjects were given sweetened beverages with either glucose (50g) or saccharine (23. Also other tests were considered such as: logical memory, digit span, complex figures, cognition, attention and motor. Also the glucose did not affect the short-term memory neither it affected the figure design. Digit span that include forward and backward digits. Rey Oterreith compex figure: subjects were asked to copy a complex design following which they were asked to draw the design from memory. Digits span did not show a glucose effect. It was so obvious that this experiment suggests that glucose ingestion enhances performance on memory tests in elderly subjects. The performance on the logical memory test was significantly enhanced after glucose ingestion. Moreover, the glucose did not affect any of the cognitive, attention, or motor functions. The test was scored for long-term storage, retrieval and short-term retrieval. Motor: subjects were required to press down a lever attached to a counter as quickly as possible over a ten second period and were given five tries with each hand. The beverage sweetened with glucose increased blood glucose levels. The enhancement of memory was observed on two declarative memory tests, the selective reminding test and logical memory subtest. The subjects were asked to read a list of words and remember them.
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